On Tue, Oct 23, 2012 at 6:32 PM, <[email protected]> wrote:
> The following bug has been logged on the website:
>
> Bug reference: 7620
> Logged by: Greg Hazel
> Email address: [email protected]
> PostgreSQL version: 9.2.1
> Operating system: Amazon Linux
> Description:
>
> array_to_json(ARRAY['foo', 100, true]) complains because arrays can't have
> mixed types, but json arrays can.
>
> So, it's not possible to form a heterogeneous json array, when this is often
> desired.
This is not really a bug because the feature is working as intended.
Postgres arrays are homogonous so what you're asking really isn't
possible. You can though use row_to_json to work around:
select row_to_json(row('foo', 100, true));
merlin
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